نتایج جستجو برای: dye removal

تعداد نتایج: 178553  

ژورنال: سلامت و محیط زیست 2013
آیتی, بیتا, مرادی پسند, لیلا,

Background and Aim: In this study, the removal of dye blue reactive-171 by combination of advanced oxidation processes UV/H2O2 and SBAR has been investigated. Methods: The efficiency of chemical and biological system was first investigated separately. In chemical system, the kind, power, initial dye concentration and hydrogen parasitize and in biological system, hydraulic detention time, aerati...

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ژورنال: مجله دانشگاه علوم پزشکی مازندران 2015
الماسی, حلیمه, اکبری, سمیه , دارائی, زهرا , عسگری, قربان, فردمال, جواد, قنبری, فرشید,

Background and purpose: Chemical dyes are widely used in textile industries and have harmful effects on the environment. They also contain carcinogenic and mutagenic substances. The goal of this study was optimization of the catalytic ozonation process using bone char ash modified by magnesium oxide in removal of reactive black 5dye from textile wastewater based on Taguchi design. Materials an...

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Journal: :journal of physical & theoretical chemistry 2009
m. banimahd keivani k. zare h. aghaie r. ansari

this paper deals with application of polyaniline coated on wood sawdust for removal ofmethylene blue (mb) dye from aqueous solutions. polyaniline coated onto sawdust (termedas pan/sd) was prepared via direct chemical polymerization onto sawdust which waspreviously soaked in the monomer (aniline) solution in acidic (hc1) media. adsorptionexperiments were carried out using batch system. the effec...

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Journal: Journal of Physical and Theoretical Chemistry 2012
H. Banimahd keivani M. Banimahd keivani M. Darvishpour M. H. Fekri

In this research, the removal of malachite green dye from Textile Wastewaters using polyaniline coated onto sawdust (PAni/SD) has been investigated. Ammonium peroxodisulphate was used as chemical oxidant for polymerization of polyaniline directly on the surface of sawdust. The effects of some important parameters such as pH, initial concentration, sorbent dosage, exposure time and temperature o...

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ژورنال: مجله دانشگاه علوم پزشکی زنجان 2007
جوادی, زهره, عامری, احمد, غلامی, میترا, محمدی, حامد, میر‌حسینی, سید ‌حامد,

Background and Objective: PACT is an adsorption- degradation process through which slowly or non-biodegradable waste water compounds such as dye can be degraded. This study was carried out to evaluate the efficacy of PACT in removal of dyes form textile industry wastewaters. Materials and Methods: This research was carried out in pilot scale. The pilot design had two parts: an aeration tank wit...

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Journal: Journal of Advances in Environmental Health Research 2015
Esmail Ghahramani, Mostafa Alizadeh, Shahram Sadeghi,

Textile dyeing is considered to be one of the major industrial sources of high rates of organic and aromatic compounds. Conversely, these compounds have become a significant environmental problem. Many methods have been investigated for color removal from dye-containing wastewater. In this research, the efficiency of the electrocoagulation (EC) process with aluminum electrodes in the removal of...

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Journal: Journal of Advances in Environmental Health Research 2018
Abdollah Dargahi, Raheleh Amiri, Reza Shokoohi, Zhila Ghavami,

Erythrosine B is widely used for dyeing in various applications, especially in the food industry, despite its already proved toxicity and carcinogenicity. Therefore, the purpose of this study is to evaluate the efficiency of the synthesis process of US/S2O8-2 in removing erythrosine B dye from aqueous solution. In this experimental study, the removal of erythros...

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Journal: :مجله دانشگاه علوم پزشکی ایلام 0
علیرضا رحمانی a rahmani همدان- دانشگاه علوم پزشکی- دانشکده بهداشت فاطمه برجسته عسکری f barjaste ایلام- دانشگاه علوم پزشکی- دانشکده بهداشت قربان عسگری gh askari همدان- دانشگاه علوم پزشکی- دانشکده بهداشت محمدتقی صمدی m samadi همدان- دانشگاه علوم پزشکی- دانشکده بهداشت کاظم گودینی k godini ایلام- دانشگاه علوم پزشکی- دانشکده بهداشت

introduction: dye removal from industrial wastewater has been considered as one of the most environmental issues. recently, new methods of treatment such as catalytic ozonation have been used to increase dye removal efficiency. so, the efficiency of catalytic ozonation by copper coated zeolite as a catalyst in the removal of reactive red 198 was investigated. materials & methods: in order to re...

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ژورنال: مجله علمی دانشگاه علوم پزشکی رفسنجان 2014
احرام پوش, محم حسن, امام جمعه, محمد مهدی, جمشیدی, سارا, دهواری, محبوبه, موسوی, پروین,

  Background and Objective: Colors can cause major environmental pollutions and are responsible for the carcinogenic and mutagenic risks. In this study, single-walled carbon nanotubes have been carried out to determine the efficiency of removal of Acid Orange 7 ( AO7 ) dye from synthetic textile wastewater.   Materials and Methods : In the laboratory study , the color was determined in 484 nm u...

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Journal: Iranian Journal of Catalysis 2020
Abdollrahman Mahmoodi, Ayat Rahmani, Hamidreza Nassehinia, Seyed Mahmood Mehdinia,

This study was performed with the aim of investigating the efficiency of the Nano photocatalytic of ultraviolet and titanium dioxide compound and rice husk silica adsorbent (UV/TiO2/RHS) in removal reactive red 198 dye from synthetic aqueous solutions. The removal of reactive red 198 dye was done in batch reactors with a volume of 250 ml using RHS deposited by titanium dioxide in the...

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